大约有 30,000 项符合查询结果（耗时：0.0304秒） [XML]
Can I mask an input text in a bat file?
...ut=!HInput!!Char!"
)
)
Goto :HInput_
:HInput#
Echo(!HInput!
Goto :Eof
1.2 Another way based on replace command
@Echo Off
SetLocal EnableExtensions EnableDelayedExpansion
Set /P "=Enter a Password:" < Nul
Call :PasswordInput
Echo(Your input was:!Line!
Goto :Eof
:PasswordInput
::Author: Ca...
How to create a button programmatically?
...
As of Swift 1.2 downcasts can no longer be done with "as", they must be “forced failable” with "as!".
– TenaciousJay
May 1 '15 at 16:38
...
How to add a progress bar to a shell script?
...cho -n ' '
while true
do
printf "\b${sp:i++%${#sp}:1}"
done
Each time the loop iterates, it displays the next character in the sp
string, wrapping around as it reaches the end. (i is the position of
the current character to display and ${#sp} is the length of the sp
string).
The...
Find which version of package is installed with pip
... naming of 'freeze' is historical - it dates back to at least 2008. At the time, many people were already familiar with "freezing" ruby gems, so pip borrowed the then-widely-used name.
– AdamKG
Feb 17 '14 at 21:54
...
Dynamically Changing log4j log level
...ization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation classes.
Calls to logger.setLevel() or sim...
Python and pip, list all versions of a package that's available?
... multiple environments/hosts because you will have to copy/create it every time.
A better all-around solution would be to use yolk3k, which is available to install with pip. E.g. to see what versions of Django are available:
$ pip install yolk3k
$ yolk -V django
Django 1.3
Django 1.2.5
Django 1.2....
form serialize javascript (no framework)
...
+1 for taking the time to improve the code. I enjoy when people find my flaws, since it is a good learning opportunity. +1 for keeping it looking nice as well. -1 because I can't give +2 =(
– TibTibs
Ju...
Split delimited strings in a column and insert as new rows [duplicate]
...1 <- reshape(temp, direction = "long", idvar = "Ind",
timevar = "time", varying = 2:ncol(temp), sep = "")
temp1[!temp1$V == "", c("Ind", "V")]
# Ind V
# 1.1 1 a
# 2.1 2 a
# 3.1 3 b
# 4.1 4 e
# 1.2 1 b
# 2.2 2 c
# 3.2 3 d
# 4.2 4 f
# 1.3 1 c
Anot...
Why is this program erroneously rejected by three C++ compilers?
... C++ requires year-long training in calligraphy. If you don't have the time, try Visual Basic or just binary machine code (You just have to get the 0's and 1's right then).
– Frank Osterfeld
Apr 1 '11 at 11:46
...
How to add texture to fill colors in ggplot2
...border on one bar darker than the others using R
EDIT: I've finally found time to give a brief example of this hack that allows at least 3 types of basic pattern in ggplot2. The code:
Example.Data<- data.frame(matrix(vector(), 0, 3, dimnames=list(c(), c("Value", "Variable", "Fill"))), stringsAs...